If such ratios also apply on a smoggy day in LA, watch out.
如果这样的比例在洛杉矶的雾霾天也适用，那就要注意了。
It's smoggy. Will you close the window, please?
雾霾很严重，请把窗子关上，好吗？
We were sitting in my office overlooking Shanghai's financial district one smoggy day.
上海雾霭的一天，我们坐在办公室里，俯瞰着上海金融区。
We were sitting in my office overlooking Shanghai's financial district one smoggy day.
上海雾霭的一天，我们坐在办公室里，俯瞰着上海金融区。
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